201980822525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3230401}}^1$

素因数の和:3230513

約数の個数: 24

約数和(自身を含む): 260770971048

約数和(自身を除く): 58790148523

約数列:

[1, 5, 25, 41, 61, 205, 305, 1025, 1525, 2501, 12505, 62525, 3230401, 16152005, 80760025, 132446441, 197054461, 662232205, 985272305, 3311161025, 4926361525, 8079232901, 40396164505, 201980822525]

約数ペア:

[(1, 201980822525), (5, 40396164505), (25, 8079232901), (41, 4926361525), (61, 3311161025), (205, 985272305), (305, 662232205), (1025, 197054461), (1525, 132446441), (2501, 80760025), (12505, 16152005), (62525, 3230401)]